public override float Evaluate()
{
float resultValue = 0;
bool hasValidInput = false;
if (GetParameter(0) != null)
{
resultValue = GetParameter(0).Evaluate();
hasValidInput = true;
}
for (int i = 0; i < nodeCount; ++i)
{
MathNode node = GetNode(i);
float currentValue = 0;
if (node != null)
{
currentValue = node.Evaluate();
}
if (i == 0 && !hasValidInput)
{
resultValue = currentValue;
}
else
{
resultValue = s_OperationFuncs[m_CurrentOperation](resultValue, currentValue);
}
}
return(resultValue);
}